HighlightRegionRenderer.h

#pragma once
 
#include "Rendering/IGraphicsDevice.h"
#include "Renderer/IRenderer.h"
#include "Resources/MeshStreamsLayout.h"
 
namespace Cogs::Core
{
  class Context;
  struct RenderList;
  struct RenderTarget;
  struct RenderTexture;
  struct HighlightRegionSystem;
 
  struct HighlightRegionRenderer : public IRendererExtension
  {
  public:
    HighlightRegionRenderer(HighlightRegionSystem* hrSystem) : hrSystem(hrSystem) {}
 
    void initialize(Context* context, IGraphicsDevice* device) override;
    void handleEvent(uint32_t eventId, const DrawContext* renderingContext) override;
    void generateCommands(const RenderTaskContext* renderingContext, RenderList* renderList) override;
 
    void render(RenderTaskContext* renderTaskContext, RenderTarget* renderTarget, RenderList* renderList, RenderTexture* color, RenderTexture* depth);
 
    HighlightRegionSystem* hrSystem = nullptr;
    MeshStreamsLayout solidStreamsLayout;
    MeshStreamsLayout splitCubeStreamsLayout;
 
    Cogs::VertexBufferHandle cubeVertices;
    Cogs::IndexBufferHandle cubeTriIndices;
    uint32_t cubeTriIndicesCount = 0;
 
    Cogs::VertexBufferHandle splitCubeVertices;
    Cogs::IndexBufferHandle splitCubeTriIndices;
    uint32_t splitCubeTriIndicesCount = 0;
 
    // See comment in render()
    Cogs::DepthStencilStateHandle noWriteDepthStencilState;
    Cogs::DepthStencilStateHandle noWriteDepthStencilStateReverse;
 
    struct {
      Cogs::BufferHandle buffer;
      ConstantBufferKey index = NoProperty;
    } matrices;
 
  };
 
}